01: /**
02: *
03: * Licensed to the Apache Software Foundation (ASF) under one or more
04: * contributor license agreements. See the NOTICE file distributed with
05: * this work for additional information regarding copyright ownership.
06: * The ASF licenses this file to You under the Apache License, Version 2.0
07: * (the "License"); you may not use this file except in compliance with
08: * the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing, software
13: * distributed under the License is distributed on an "AS IS" BASIS,
14: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: * See the License for the specific language governing permissions and
16: * limitations under the License.
17: */package org.apache.openejb.tomcat.common;
18:
19: import org.apache.openejb.loader.SystemInstance;
20: import static org.apache.openejb.tomcat.common.NamingUtil.COMPONENT_TYPE;
21: import static org.apache.openejb.tomcat.common.NamingUtil.getProperty;
22: import static org.apache.openejb.tomcat.common.NamingUtil.loadClass;
23:
24: import javax.naming.Context;
25: import javax.naming.Name;
26: import javax.naming.Reference;
27: import javax.naming.spi.ObjectFactory;
28: import java.util.Hashtable;
29:
30: public class SystemComponentFactory implements ObjectFactory {
31: public Object getObjectInstance(Object object, Name name,
32: Context context, Hashtable environment) throws Exception {
33: Reference ref = (Reference) object;
34:
35: // load the component type class
36: String className = getProperty(ref, COMPONENT_TYPE);
37: Class<?> clazz = loadClass(className);
38: if (clazz == null)
39: return null;
40:
41: // lookup the value
42: Object value = SystemInstance.get().getComponent(clazz);
43: return value;
44: }
45: }
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